Home / 13,128.48-19,696.50-4,369.14

Finding the Fourth Proportional to 13,128.48, 19,696.50 and 4,369.14

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Solution

The fourth proportional to 13,128.48, 19,696.50 and 4,369.14 is: 6,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128.48 : 19,696.50 = 4,369.14 : x
  2. Step 2: Convert to fraction form
    13,128.48/19,696.50 = 4,369.14/x
  3. Step 3: Cross multiply
    13,128.48x = 19,696.50 × 4,369.14
  4. Step 4: Simplify right side
    13,128.48x = 86,056,766.01
  5. Step 5: Solve for x
    x = 86,056,766.01/13,128.48
  6. Step 6: Final answer
    x = 6,554.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.